expert Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [9, _] → [_, 4, 9]

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Answer: Row3[1]=5, Row2[2]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [9,13]
  • [5,4,9]
Base
  • 5
  • 4
  • 9
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, _] → [3, 3, 3]

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Answer: Row2[2]=6, Row2[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [6,6]
  • [3,3,3]
Base
  • 3
  • 3
  • 3
TopValue
12
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, _] → [9, 1, 10]

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Answer: Row2[1]=10, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [10,11]
  • [9,1,10]
Base
  • 9
  • 1
  • 10
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 13] → [2, _, 8]

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Answer: Row3[2]=5, Row2[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [7,13]
  • [2,5,8]
Base
  • 2
  • 5
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":0,"v":7}